Zygo GPI Series
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Over their > 15 year existence, the GPI series of interferometers have earned the confidence of thousands of users worldwide to provide reliable, accurate, metrology. Recent advances in ZYGO's interferometric capabilities has resulted in an upgrade of the former GPI phase measuring products to the new VeriFire Series of interferometer systems. The GPI Series of interferometers are now offered with either visual or carrier fringe measurement methods. (All ZYGO phase measuring interferometers are now part of the VeriFire Series of products.) |
| Model | Core Technology | Core Technology | Zoom | Focus | Camera Resolution |
| LC | Visual Fringe | Point Source | N/A | N/A | 512 x 492 pixels |
| ST | Visual Fringe | Point Source | Motorised 1-6X | Motorised | 768 x 494 pixels |
| FlashPhase | Carrier Fringe | Point Source | Motorised 1-6X | Motorised | 640 x 480 pixels |
GPI LC- The GPI LC is the foundation of the GPI series. It provides visual fringe analysis for use in the metrology of flat surfaces.
GPI ST - The GPI ST provides motorized zoom and focus with visual fringe viewing.
GPI FlashPhase - The GPI FlashPhase has very low sensitivity to vibration. The system utilizes carrier fringe phase-acquisition technology by acquiring surface information from a single frame of data.